Home / 257,110.16-385,914-124,084.05

Finding the Fourth Proportional to 257,110.16, 385,914 and 124,084.05

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Solution

The fourth proportional to 257,110.16, 385,914 and 124,084.05 is: 186,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,110.16 : 385,914 = 124,084.05 : x
  2. Step 2: Convert to fraction form
    257,110.16/385,914 = 124,084.05/x
  3. Step 3: Cross multiply
    257,110.16x = 385,914 × 124,084.05
  4. Step 4: Simplify right side
    257,110.16x = 47,885,772,071.70
  5. Step 5: Solve for x
    x = 47,885,772,071.70/257,110.16
  6. Step 6: Final answer
    x = 186,246.13

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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.