Home / 118,416.91-177,637.31-38,451.53

Finding the Fourth Proportional to 118,416.91, 177,637.31 and 38,451.53

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Solution

The fourth proportional to 118,416.91, 177,637.31 and 38,451.53 is: 57,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.91 : 177,637.31 = 38,451.53 : x
  2. Step 2: Convert to fraction form
    118,416.91/177,637.31 = 38,451.53/x
  3. Step 3: Cross multiply
    118,416.91x = 177,637.31 × 38,451.53
  4. Step 4: Simplify right side
    118,416.91x = 6,830,426,354.58
  5. Step 5: Solve for x
    x = 6,830,426,354.58/118,416.91
  6. Step 6: Final answer
    x = 57,681.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.