Home / 166,423.17-249,697.12-86,411.19

Finding the Fourth Proportional to 166,423.17, 249,697.12 and 86,411.19

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Solution

The fourth proportional to 166,423.17, 249,697.12 and 86,411.19 is: 129,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,423.17 : 249,697.12 = 86,411.19 : x
  2. Step 2: Convert to fraction form
    166,423.17/249,697.12 = 86,411.19/x
  3. Step 3: Cross multiply
    166,423.17x = 249,697.12 × 86,411.19
  4. Step 4: Simplify right side
    166,423.17x = 21,576,625,278.77
  5. Step 5: Solve for x
    x = 21,576,625,278.77/166,423.17
  6. Step 6: Final answer
    x = 129,649.17

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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.