Home / 144,281.12-216,432.54-43,071.17

Finding the Fourth Proportional to 144,281.12, 216,432.54 and 43,071.17

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Solution

The fourth proportional to 144,281.12, 216,432.54 and 43,071.17 is: 64,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,281.12 : 216,432.54 = 43,071.17 : x
  2. Step 2: Convert to fraction form
    144,281.12/216,432.54 = 43,071.17/x
  3. Step 3: Cross multiply
    144,281.12x = 216,432.54 × 43,071.17
  4. Step 4: Simplify right side
    144,281.12x = 9,322,001,641.71
  5. Step 5: Solve for x
    x = 9,322,001,641.71/144,281.12
  6. Step 6: Final answer
    x = 64,609.99

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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.