Home / 154,234.05-212,841.51-86,250.24

Finding the Fourth Proportional to 154,234.05, 212,841.51 and 86,250.24

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Solution

The fourth proportional to 154,234.05, 212,841.51 and 86,250.24 is: 119,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.05 : 212,841.51 = 86,250.24 : x
  2. Step 2: Convert to fraction form
    154,234.05/212,841.51 = 86,250.24/x
  3. Step 3: Cross multiply
    154,234.05x = 212,841.51 × 86,250.24
  4. Step 4: Simplify right side
    154,234.05x = 18,357,631,319.46
  5. Step 5: Solve for x
    x = 18,357,631,319.46/154,234.05
  6. Step 6: Final answer
    x = 119,024.50

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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.