Home / 132,607.01-183,001.54-72,181.55

Finding the Fourth Proportional to 132,607.01, 183,001.54 and 72,181.55

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Solution

The fourth proportional to 132,607.01, 183,001.54 and 72,181.55 is: 99,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,607.01 : 183,001.54 = 72,181.55 : x
  2. Step 2: Convert to fraction form
    132,607.01/183,001.54 = 72,181.55/x
  3. Step 3: Cross multiply
    132,607.01x = 183,001.54 × 72,181.55
  4. Step 4: Simplify right side
    132,607.01x = 13,209,335,357.32
  5. Step 5: Solve for x
    x = 13,209,335,357.32/132,607.01
  6. Step 6: Final answer
    x = 99,612.65

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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.