Home / 102,368.80-153,553.20-93,511.45

Finding the Fourth Proportional to 102,368.80, 153,553.20 and 93,511.45

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Solution

The fourth proportional to 102,368.80, 153,553.20 and 93,511.45 is: 140,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,368.80 : 153,553.20 = 93,511.45 : x
  2. Step 2: Convert to fraction form
    102,368.80/153,553.20 = 93,511.45/x
  3. Step 3: Cross multiply
    102,368.80x = 153,553.20 × 93,511.45
  4. Step 4: Simplify right side
    102,368.80x = 14,358,982,384.14
  5. Step 5: Solve for x
    x = 14,358,982,384.14/102,368.80
  6. Step 6: Final answer
    x = 140,267.18

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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.