Home / 127,421.06-175,851.69-70,837.70

Finding the Fourth Proportional to 127,421.06, 175,851.69 and 70,837.70

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Solution

The fourth proportional to 127,421.06, 175,851.69 and 70,837.70 is: 97,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,421.06 : 175,851.69 = 70,837.70 : x
  2. Step 2: Convert to fraction form
    127,421.06/175,851.69 = 70,837.70/x
  3. Step 3: Cross multiply
    127,421.06x = 175,851.69 × 70,837.70
  4. Step 4: Simplify right side
    127,421.06x = 12,456,929,260.71
  5. Step 5: Solve for x
    x = 12,456,929,260.71/127,421.06
  6. Step 6: Final answer
    x = 97,761.93

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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.