Home / 117,459.16-176,210.60-53,421.91

Finding the Fourth Proportional to 117,459.16, 176,210.60 and 53,421.91

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Solution

The fourth proportional to 117,459.16, 176,210.60 and 53,421.91 is: 80,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.16 : 176,210.60 = 53,421.91 : x
  2. Step 2: Convert to fraction form
    117,459.16/176,210.60 = 53,421.91/x
  3. Step 3: Cross multiply
    117,459.16x = 176,210.60 × 53,421.91
  4. Step 4: Simplify right side
    117,459.16x = 9,413,506,814.25
  5. Step 5: Solve for x
    x = 9,413,506,814.25/117,459.16
  6. Step 6: Final answer
    x = 80,142.81

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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.