Home / 158,492.16-237,869.52-79,629.12

Finding the Fourth Proportional to 158,492.16, 237,869.52 and 79,629.12

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Solution

The fourth proportional to 158,492.16, 237,869.52 and 79,629.12 is: 119,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,492.16 : 237,869.52 = 79,629.12 : x
  2. Step 2: Convert to fraction form
    158,492.16/237,869.52 = 79,629.12/x
  3. Step 3: Cross multiply
    158,492.16x = 237,869.52 × 79,629.12
  4. Step 4: Simplify right side
    158,492.16x = 18,941,340,552.42
  5. Step 5: Solve for x
    x = 18,941,340,552.42/158,492.16
  6. Step 6: Final answer
    x = 119,509.64

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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.