Home / 176,522.40-243,656.64-112,860.45

Finding the Fourth Proportional to 176,522.40, 243,656.64 and 112,860.45

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Solution

The fourth proportional to 176,522.40, 243,656.64 and 112,860.45 is: 155,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,522.40 : 243,656.64 = 112,860.45 : x
  2. Step 2: Convert to fraction form
    176,522.40/243,656.64 = 112,860.45/x
  3. Step 3: Cross multiply
    176,522.40x = 243,656.64 × 112,860.45
  4. Step 4: Simplify right side
    176,522.40x = 27,499,198,035.89
  5. Step 5: Solve for x
    x = 27,499,198,035.89/176,522.40
  6. Step 6: Final answer
    x = 155,783.05

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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.