Home / 266,931.52-368,340.42-180,715.12

Finding the Fourth Proportional to 266,931.52, 368,340.42 and 180,715.12

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Solution

The fourth proportional to 266,931.52, 368,340.42 and 180,715.12 is: 249,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,931.52 : 368,340.42 = 180,715.12 : x
  2. Step 2: Convert to fraction form
    266,931.52/368,340.42 = 180,715.12/x
  3. Step 3: Cross multiply
    266,931.52x = 368,340.42 × 180,715.12
  4. Step 4: Simplify right side
    266,931.52x = 66,564,683,201.15
  5. Step 5: Solve for x
    x = 66,564,683,201.15/266,931.52
  6. Step 6: Final answer
    x = 249,369.89

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1.5x scale

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.