Home / 190,154.79-262,134.01-144,753.63

Finding the Fourth Proportional to 190,154.79, 262,134.01 and 144,753.63

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Solution

The fourth proportional to 190,154.79, 262,134.01 and 144,753.63 is: 199,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,154.79 : 262,134.01 = 144,753.63 : x
  2. Step 2: Convert to fraction form
    190,154.79/262,134.01 = 144,753.63/x
  3. Step 3: Cross multiply
    190,154.79x = 262,134.01 × 144,753.63
  4. Step 4: Simplify right side
    190,154.79x = 37,944,849,493.96
  5. Step 5: Solve for x
    x = 37,944,849,493.96/190,154.79
  6. Step 6: Final answer
    x = 199,547.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.