Home / 127,792.08-176,345.88-70,431.23

Finding the Fourth Proportional to 127,792.08, 176,345.88 and 70,431.23

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Solution

The fourth proportional to 127,792.08, 176,345.88 and 70,431.23 is: 97,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,792.08 : 176,345.88 = 70,431.23 : x
  2. Step 2: Convert to fraction form
    127,792.08/176,345.88 = 70,431.23/x
  3. Step 3: Cross multiply
    127,792.08x = 176,345.88 × 70,431.23
  4. Step 4: Simplify right side
    127,792.08x = 12,420,257,233.83
  5. Step 5: Solve for x
    x = 12,420,257,233.83/127,792.08
  6. Step 6: Final answer
    x = 97,191.13

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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.