Home / 102,526.40-141,276.48-75,626.32

Finding the Fourth Proportional to 102,526.40, 141,276.48 and 75,626.32

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Solution

The fourth proportional to 102,526.40, 141,276.48 and 75,626.32 is: 104,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,526.40 : 141,276.48 = 75,626.32 : x
  2. Step 2: Convert to fraction form
    102,526.40/141,276.48 = 75,626.32/x
  3. Step 3: Cross multiply
    102,526.40x = 141,276.48 × 75,626.32
  4. Step 4: Simplify right side
    102,526.40x = 10,684,220,284.95
  5. Step 5: Solve for x
    x = 10,684,220,284.95/102,526.40
  6. Step 6: Final answer
    x = 104,209.46

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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.