Home / 183,617.40-275,426.10-127,630.20

Finding the Fourth Proportional to 183,617.40, 275,426.10 and 127,630.20

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Solution

The fourth proportional to 183,617.40, 275,426.10 and 127,630.20 is: 191,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,617.40 : 275,426.10 = 127,630.20 : x
  2. Step 2: Convert to fraction form
    183,617.40/275,426.10 = 127,630.20/x
  3. Step 3: Cross multiply
    183,617.40x = 275,426.10 × 127,630.20
  4. Step 4: Simplify right side
    183,617.40x = 35,152,688,228.22
  5. Step 5: Solve for x
    x = 35,152,688,228.22/183,617.40
  6. Step 6: Final answer
    x = 191,445.30

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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.