Home / 88,889.06-132,549.47-88,088.98

Finding the Fourth Proportional to 88,889.06, 132,549.47 and 88,088.98

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Solution

The fourth proportional to 88,889.06, 132,549.47 and 88,088.98 is: 131,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889.06 : 132,549.47 = 88,088.98 : x
  2. Step 2: Convert to fraction form
    88,889.06/132,549.47 = 88,088.98/x
  3. Step 3: Cross multiply
    88,889.06x = 132,549.47 × 88,088.98
  4. Step 4: Simplify right side
    88,889.06x = 11,676,147,171.40
  5. Step 5: Solve for x
    x = 11,676,147,171.40/88,889.06
  6. Step 6: Final answer
    x = 131,356.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.