Home / 126,247.50-174,223.98-69,657.66

Finding the Fourth Proportional to 126,247.50, 174,223.98 and 69,657.66

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Solution

The fourth proportional to 126,247.50, 174,223.98 and 69,657.66 is: 96,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,247.50 : 174,223.98 = 69,657.66 : x
  2. Step 2: Convert to fraction form
    126,247.50/174,223.98 = 69,657.66/x
  3. Step 3: Cross multiply
    126,247.50x = 174,223.98 × 69,657.66
  4. Step 4: Simplify right side
    126,247.50x = 12,136,034,762.69
  5. Step 5: Solve for x
    x = 12,136,034,762.69/126,247.50
  6. Step 6: Final answer
    x = 96,128.91

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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.