Home / 238,284.52-328,822.78-129,384.60

Finding the Fourth Proportional to 238,284.52, 328,822.78 and 129,384.60

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Solution

The fourth proportional to 238,284.52, 328,822.78 and 129,384.60 is: 178,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,284.52 : 328,822.78 = 129,384.60 : x
  2. Step 2: Convert to fraction form
    238,284.52/328,822.78 = 129,384.60/x
  3. Step 3: Cross multiply
    238,284.52x = 328,822.78 × 129,384.60
  4. Step 4: Simplify right side
    238,284.52x = 42,544,602,547.24
  5. Step 5: Solve for x
    x = 42,544,602,547.24/238,284.52
  6. Step 6: Final answer
    x = 178,545.39

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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.