Home / 514,170.18-771,074.64-154,233.72

Finding the Fourth Proportional to 514,170.18, 771,074.64 and 154,233.72

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Solution

The fourth proportional to 514,170.18, 771,074.64 and 154,233.72 is: 231,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,170.18 : 771,074.64 = 154,233.72 : x
  2. Step 2: Convert to fraction form
    514,170.18/771,074.64 = 154,233.72/x
  3. Step 3: Cross multiply
    514,170.18x = 771,074.64 × 154,233.72
  4. Step 4: Simplify right side
    514,170.18x = 118,925,710,124.86
  5. Step 5: Solve for x
    x = 118,925,710,124.86/514,170.18
  6. Step 6: Final answer
    x = 231,296.40

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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.