Home / 127,319.36-175,703.48-69,959.50

Finding the Fourth Proportional to 127,319.36, 175,703.48 and 69,959.50

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Solution

The fourth proportional to 127,319.36, 175,703.48 and 69,959.50 is: 96,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.36 : 175,703.48 = 69,959.50 : x
  2. Step 2: Convert to fraction form
    127,319.36/175,703.48 = 69,959.50/x
  3. Step 3: Cross multiply
    127,319.36x = 175,703.48 × 69,959.50
  4. Step 4: Simplify right side
    127,319.36x = 12,292,127,609.06
  5. Step 5: Solve for x
    x = 12,292,127,609.06/127,319.36
  6. Step 6: Final answer
    x = 96,545.63

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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.