Home / 117,360.48-161,897.22-77,068.38

Finding the Fourth Proportional to 117,360.48, 161,897.22 and 77,068.38

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Solution

The fourth proportional to 117,360.48, 161,897.22 and 77,068.38 is: 106,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,360.48 : 161,897.22 = 77,068.38 : x
  2. Step 2: Convert to fraction form
    117,360.48/161,897.22 = 77,068.38/x
  3. Step 3: Cross multiply
    117,360.48x = 161,897.22 × 77,068.38
  4. Step 4: Simplify right side
    117,360.48x = 12,477,156,471.90
  5. Step 5: Solve for x
    x = 12,477,156,471.90/117,360.48
  6. Step 6: Final answer
    x = 106,314.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.