Home / 156,400.78-234,551.62-56,547.76

Finding the Fourth Proportional to 156,400.78, 234,551.62 and 56,547.76

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Solution

The fourth proportional to 156,400.78, 234,551.62 and 56,547.76 is: 84,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,400.78 : 234,551.62 = 56,547.76 : x
  2. Step 2: Convert to fraction form
    156,400.78/234,551.62 = 56,547.76/x
  3. Step 3: Cross multiply
    156,400.78x = 234,551.62 × 56,547.76
  4. Step 4: Simplify right side
    156,400.78x = 13,263,368,715.37
  5. Step 5: Solve for x
    x = 13,263,368,715.37/156,400.78
  6. Step 6: Final answer
    x = 84,803.72

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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.