Home / 185,312.16-278,020.08-60,740.64

Finding the Fourth Proportional to 185,312.16, 278,020.08 and 60,740.64

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Solution

The fourth proportional to 185,312.16, 278,020.08 and 60,740.64 is: 91,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,312.16 : 278,020.08 = 60,740.64 : x
  2. Step 2: Convert to fraction form
    185,312.16/278,020.08 = 60,740.64/x
  3. Step 3: Cross multiply
    185,312.16x = 278,020.08 × 60,740.64
  4. Step 4: Simplify right side
    185,312.16x = 16,887,117,592.05
  5. Step 5: Solve for x
    x = 16,887,117,592.05/185,312.16
  6. Step 6: Final answer
    x = 91,127.95

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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.