Home / 127,307.20-190,029.12-118,055.04

Finding the Fourth Proportional to 127,307.20, 190,029.12 and 118,055.04

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Solution

The fourth proportional to 127,307.20, 190,029.12 and 118,055.04 is: 176,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.20 : 190,029.12 = 118,055.04 : x
  2. Step 2: Convert to fraction form
    127,307.20/190,029.12 = 118,055.04/x
  3. Step 3: Cross multiply
    127,307.20x = 190,029.12 × 118,055.04
  4. Step 4: Simplify right side
    127,307.20x = 22,433,895,362.76
  5. Step 5: Solve for x
    x = 22,433,895,362.76/127,307.20
  6. Step 6: Final answer
    x = 176,218.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.