Home / 147,384.17-221,122.98-52,612.30

Finding the Fourth Proportional to 147,384.17, 221,122.98 and 52,612.30

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Solution

The fourth proportional to 147,384.17, 221,122.98 and 52,612.30 is: 78,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.17 : 221,122.98 = 52,612.30 : x
  2. Step 2: Convert to fraction form
    147,384.17/221,122.98 = 52,612.30/x
  3. Step 3: Cross multiply
    147,384.17x = 221,122.98 × 52,612.30
  4. Step 4: Simplify right side
    147,384.17x = 11,633,788,837.06
  5. Step 5: Solve for x
    x = 11,633,788,837.06/147,384.17
  6. Step 6: Final answer
    x = 78,935.13

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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.