Home / 166,547.49-249,731.27-86,386.74

Finding the Fourth Proportional to 166,547.49, 249,731.27 and 86,386.74

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Solution

The fourth proportional to 166,547.49, 249,731.27 and 86,386.74 is: 129,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,547.49 : 249,731.27 = 86,386.74 : x
  2. Step 2: Convert to fraction form
    166,547.49/249,731.27 = 86,386.74/x
  3. Step 3: Cross multiply
    166,547.49x = 249,731.27 × 86,386.74
  4. Step 4: Simplify right side
    166,547.49x = 21,573,469,042.70
  5. Step 5: Solve for x
    x = 21,573,469,042.70/166,547.49
  6. Step 6: Final answer
    x = 129,533.44

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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.