Home / 147,661.29-221,495.07-52,897.64

Finding the Fourth Proportional to 147,661.29, 221,495.07 and 52,897.64

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Solution

The fourth proportional to 147,661.29, 221,495.07 and 52,897.64 is: 79,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,661.29 : 221,495.07 = 52,897.64 : x
  2. Step 2: Convert to fraction form
    147,661.29/221,495.07 = 52,897.64/x
  3. Step 3: Cross multiply
    147,661.29x = 221,495.07 × 52,897.64
  4. Step 4: Simplify right side
    147,661.29x = 11,716,565,367.16
  5. Step 5: Solve for x
    x = 11,716,565,367.16/147,661.29
  6. Step 6: Final answer
    x = 79,347.58

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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.