Home / 145,905.64-218,898.14-62,781.16

Finding the Fourth Proportional to 145,905.64, 218,898.14 and 62,781.16

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Solution

The fourth proportional to 145,905.64, 218,898.14 and 62,781.16 is: 94,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,905.64 : 218,898.14 = 62,781.16 : x
  2. Step 2: Convert to fraction form
    145,905.64/218,898.14 = 62,781.16/x
  3. Step 3: Cross multiply
    145,905.64x = 218,898.14 × 62,781.16
  4. Step 4: Simplify right side
    145,905.64x = 13,742,679,151.04
  5. Step 5: Solve for x
    x = 13,742,679,151.04/145,905.64
  6. Step 6: Final answer
    x = 94,188.81

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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.