Home / 288,637.14-398,061.32-181,217.18

Finding the Fourth Proportional to 288,637.14, 398,061.32 and 181,217.18

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Solution

The fourth proportional to 288,637.14, 398,061.32 and 181,217.18 is: 249,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,637.14 : 398,061.32 = 181,217.18 : x
  2. Step 2: Convert to fraction form
    288,637.14/398,061.32 = 181,217.18/x
  3. Step 3: Cross multiply
    288,637.14x = 398,061.32 × 181,217.18
  4. Step 4: Simplify right side
    288,637.14x = 72,135,549,877.48
  5. Step 5: Solve for x
    x = 72,135,549,877.48/288,637.14
  6. Step 6: Final answer
    x = 249,917.77

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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.