Home / 127,686.99-176,206.38-70,325.22

Finding the Fourth Proportional to 127,686.99, 176,206.38 and 70,325.22

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Solution

The fourth proportional to 127,686.99, 176,206.38 and 70,325.22 is: 97,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,686.99 : 176,206.38 = 70,325.22 : x
  2. Step 2: Convert to fraction form
    127,686.99/176,206.38 = 70,325.22/x
  3. Step 3: Cross multiply
    127,686.99x = 176,206.38 × 70,325.22
  4. Step 4: Simplify right side
    127,686.99x = 12,391,752,438.90
  5. Step 5: Solve for x
    x = 12,391,752,438.90/127,686.99
  6. Step 6: Final answer
    x = 97,047.89

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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.