Home / 190,412.28-262,888.44-122,547.18

Finding the Fourth Proportional to 190,412.28, 262,888.44 and 122,547.18

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Solution

The fourth proportional to 190,412.28, 262,888.44 and 122,547.18 is: 169,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.28 : 262,888.44 = 122,547.18 : x
  2. Step 2: Convert to fraction form
    190,412.28/262,888.44 = 122,547.18/x
  3. Step 3: Cross multiply
    190,412.28x = 262,888.44 × 122,547.18
  4. Step 4: Simplify right side
    190,412.28x = 32,216,236,976.60
  5. Step 5: Solve for x
    x = 32,216,236,976.60/190,412.28
  6. Step 6: Final answer
    x = 169,192.01

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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.