Home / 190,248.16-262,539.24-105,363.40

Finding the Fourth Proportional to 190,248.16, 262,539.24 and 105,363.40

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Solution

The fourth proportional to 190,248.16, 262,539.24 and 105,363.40 is: 145,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,248.16 : 262,539.24 = 105,363.40 : x
  2. Step 2: Convert to fraction form
    190,248.16/262,539.24 = 105,363.40/x
  3. Step 3: Cross multiply
    190,248.16x = 262,539.24 × 105,363.40
  4. Step 4: Simplify right side
    190,248.16x = 27,662,026,959.82
  5. Step 5: Solve for x
    x = 27,662,026,959.82/190,248.16
  6. Step 6: Final answer
    x = 145,399.71

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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.