Home / 127,114.80-190,672.20-52,210.05

Finding the Fourth Proportional to 127,114.80, 190,672.20 and 52,210.05

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Solution

The fourth proportional to 127,114.80, 190,672.20 and 52,210.05 is: 78,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.80 : 190,672.20 = 52,210.05 : x
  2. Step 2: Convert to fraction form
    127,114.80/190,672.20 = 52,210.05/x
  3. Step 3: Cross multiply
    127,114.80x = 190,672.20 × 52,210.05
  4. Step 4: Simplify right side
    127,114.80x = 9,955,005,095.61
  5. Step 5: Solve for x
    x = 9,955,005,095.61/127,114.80
  6. Step 6: Final answer
    x = 78,315.08

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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.