Home / 110,018.86-151,777.80-84,480.17

Finding the Fourth Proportional to 110,018.86, 151,777.80 and 84,480.17

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Solution

The fourth proportional to 110,018.86, 151,777.80 and 84,480.17 is: 116,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,018.86 : 151,777.80 = 84,480.17 : x
  2. Step 2: Convert to fraction form
    110,018.86/151,777.80 = 84,480.17/x
  3. Step 3: Cross multiply
    110,018.86x = 151,777.80 × 84,480.17
  4. Step 4: Simplify right side
    110,018.86x = 12,822,213,587.34
  5. Step 5: Solve for x
    x = 12,822,213,587.34/110,018.86
  6. Step 6: Final answer
    x = 116,545.60

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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.