Home / 113,246.80-169,708.98-83,430.16

Finding the Fourth Proportional to 113,246.80, 169,708.98 and 83,430.16

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Solution

The fourth proportional to 113,246.80, 169,708.98 and 83,430.16 is: 125,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,246.80 : 169,708.98 = 83,430.16 : x
  2. Step 2: Convert to fraction form
    113,246.80/169,708.98 = 83,430.16/x
  3. Step 3: Cross multiply
    113,246.80x = 169,708.98 × 83,430.16
  4. Step 4: Simplify right side
    113,246.80x = 14,158,847,354.84
  5. Step 5: Solve for x
    x = 14,158,847,354.84/113,246.80
  6. Step 6: Final answer
    x = 125,026.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.