Home / 107,275.17-160,956.51-86,411.19

Finding the Fourth Proportional to 107,275.17, 160,956.51 and 86,411.19

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Solution

The fourth proportional to 107,275.17, 160,956.51 and 86,411.19 is: 129,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,275.17 : 160,956.51 = 86,411.19 : x
  2. Step 2: Convert to fraction form
    107,275.17/160,956.51 = 86,411.19/x
  3. Step 3: Cross multiply
    107,275.17x = 160,956.51 × 86,411.19
  4. Step 4: Simplify right side
    107,275.17x = 13,908,443,567.35
  5. Step 5: Solve for x
    x = 13,908,443,567.35/107,275.17
  6. Step 6: Final answer
    x = 129,652.03

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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.