Home / 176,000.23-242,816.64-115,603.60

Finding the Fourth Proportional to 176,000.23, 242,816.64 and 115,603.60

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Solution

The fourth proportional to 176,000.23, 242,816.64 and 115,603.60 is: 159,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.23 : 242,816.64 = 115,603.60 : x
  2. Step 2: Convert to fraction form
    176,000.23/242,816.64 = 115,603.60/x
  3. Step 3: Cross multiply
    176,000.23x = 242,816.64 × 115,603.60
  4. Step 4: Simplify right side
    176,000.23x = 28,070,477,723.90
  5. Step 5: Solve for x
    x = 28,070,477,723.90/176,000.23
  6. Step 6: Final answer
    x = 159,491.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.