Home / 116,721.40-175,082.10-111,602.20

Finding the Fourth Proportional to 116,721.40, 175,082.10 and 111,602.20

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Solution

The fourth proportional to 116,721.40, 175,082.10 and 111,602.20 is: 167,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,721.40 : 175,082.10 = 111,602.20 : x
  2. Step 2: Convert to fraction form
    116,721.40/175,082.10 = 111,602.20/x
  3. Step 3: Cross multiply
    116,721.40x = 175,082.10 × 111,602.20
  4. Step 4: Simplify right side
    116,721.40x = 19,539,547,540.62
  5. Step 5: Solve for x
    x = 19,539,547,540.62/116,721.40
  6. Step 6: Final answer
    x = 167,403.30

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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.