Home / 110,251.73-152,142.90-64,931.60

Finding the Fourth Proportional to 110,251.73, 152,142.90 and 64,931.60

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Solution

The fourth proportional to 110,251.73, 152,142.90 and 64,931.60 is: 89,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,251.73 : 152,142.90 = 64,931.60 : x
  2. Step 2: Convert to fraction form
    110,251.73/152,142.90 = 64,931.60/x
  3. Step 3: Cross multiply
    110,251.73x = 152,142.90 × 64,931.60
  4. Step 4: Simplify right side
    110,251.73x = 9,878,881,925.64
  5. Step 5: Solve for x
    x = 9,878,881,925.64/110,251.73
  6. Step 6: Final answer
    x = 89,602.97

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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.