Home / 156,918.16-235,303.14-57,008.72

Finding the Fourth Proportional to 156,918.16, 235,303.14 and 57,008.72

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Solution

The fourth proportional to 156,918.16, 235,303.14 and 57,008.72 is: 85,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.16 : 235,303.14 = 57,008.72 : x
  2. Step 2: Convert to fraction form
    156,918.16/235,303.14 = 57,008.72/x
  3. Step 3: Cross multiply
    156,918.16x = 235,303.14 × 57,008.72
  4. Step 4: Simplify right side
    156,918.16x = 13,414,330,823.38
  5. Step 5: Solve for x
    x = 13,414,330,823.38/156,918.16
  6. Step 6: Final answer
    x = 85,486.16

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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.