Home / 155,319.57-232,979.67-43,000.11

Finding the Fourth Proportional to 155,319.57, 232,979.67 and 43,000.11

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Solution

The fourth proportional to 155,319.57, 232,979.67 and 43,000.11 is: 64,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,319.57 : 232,979.67 = 43,000.11 : x
  2. Step 2: Convert to fraction form
    155,319.57/232,979.67 = 43,000.11/x
  3. Step 3: Cross multiply
    155,319.57x = 232,979.67 × 43,000.11
  4. Step 4: Simplify right side
    155,319.57x = 10,018,151,437.76
  5. Step 5: Solve for x
    x = 10,018,151,437.76/155,319.57
  6. Step 6: Final answer
    x = 64,500.25

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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.