Home / 117,617.04-176,428.80-28,870.20

Finding the Fourth Proportional to 117,617.04, 176,428.80 and 28,870.20

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Solution

The fourth proportional to 117,617.04, 176,428.80 and 28,870.20 is: 43,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,617.04 : 176,428.80 = 28,870.20 : x
  2. Step 2: Convert to fraction form
    117,617.04/176,428.80 = 28,870.20/x
  3. Step 3: Cross multiply
    117,617.04x = 176,428.80 × 28,870.20
  4. Step 4: Simplify right side
    117,617.04x = 5,093,534,741.76
  5. Step 5: Solve for x
    x = 5,093,534,741.76/117,617.04
  6. Step 6: Final answer
    x = 43,306.10

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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.