Home / 132,521.34-182,877.95-98,681.18

Finding the Fourth Proportional to 132,521.34, 182,877.95 and 98,681.18

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Solution

The fourth proportional to 132,521.34, 182,877.95 and 98,681.18 is: 136,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,521.34 : 182,877.95 = 98,681.18 : x
  2. Step 2: Convert to fraction form
    132,521.34/182,877.95 = 98,681.18/x
  3. Step 3: Cross multiply
    132,521.34x = 182,877.95 × 98,681.18
  4. Step 4: Simplify right side
    132,521.34x = 18,046,611,901.98
  5. Step 5: Solve for x
    x = 18,046,611,901.98/132,521.34
  6. Step 6: Final answer
    x = 136,178.91

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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.