Home / 126,402.16-174,420.06-69,810.16

Finding the Fourth Proportional to 126,402.16, 174,420.06 and 69,810.16

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Solution

The fourth proportional to 126,402.16, 174,420.06 and 69,810.16 is: 96,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,402.16 : 174,420.06 = 69,810.16 : x
  2. Step 2: Convert to fraction form
    126,402.16/174,420.06 = 69,810.16/x
  3. Step 3: Cross multiply
    126,402.16x = 174,420.06 × 69,810.16
  4. Step 4: Simplify right side
    126,402.16x = 12,176,292,295.81
  5. Step 5: Solve for x
    x = 12,176,292,295.81/126,402.16
  6. Step 6: Final answer
    x = 96,329.78

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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.