Home / 132,875.61-199,333.47-42,888.23

Finding the Fourth Proportional to 132,875.61, 199,333.47 and 42,888.23

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Solution

The fourth proportional to 132,875.61, 199,333.47 and 42,888.23 is: 64,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.61 : 199,333.47 = 42,888.23 : x
  2. Step 2: Convert to fraction form
    132,875.61/199,333.47 = 42,888.23/x
  3. Step 3: Cross multiply
    132,875.61x = 199,333.47 × 42,888.23
  4. Step 4: Simplify right side
    132,875.61x = 8,549,060,740.97
  5. Step 5: Solve for x
    x = 8,549,060,740.97/132,875.61
  6. Step 6: Final answer
    x = 64,338.83

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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.