Home / 121,532.83-182,317.47-42,633.16

Finding the Fourth Proportional to 121,532.83, 182,317.47 and 42,633.16

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Solution

The fourth proportional to 121,532.83, 182,317.47 and 42,633.16 is: 63,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532.83 : 182,317.47 = 42,633.16 : x
  2. Step 2: Convert to fraction form
    121,532.83/182,317.47 = 42,633.16/x
  3. Step 3: Cross multiply
    121,532.83x = 182,317.47 × 42,633.16
  4. Step 4: Simplify right side
    121,532.83x = 7,772,768,957.72
  5. Step 5: Solve for x
    x = 7,772,768,957.72/121,532.83
  6. Step 6: Final answer
    x = 63,956.13

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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.