Home / 118,122.06-177,218.86-42,210.66

Finding the Fourth Proportional to 118,122.06, 177,218.86 and 42,210.66

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Solution

The fourth proportional to 118,122.06, 177,218.86 and 42,210.66 is: 63,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,122.06 : 177,218.86 = 42,210.66 : x
  2. Step 2: Convert to fraction form
    118,122.06/177,218.86 = 42,210.66/x
  3. Step 3: Cross multiply
    118,122.06x = 177,218.86 × 42,210.66
  4. Step 4: Simplify right side
    118,122.06x = 7,480,525,045.05
  5. Step 5: Solve for x
    x = 7,480,525,045.05/118,122.06
  6. Step 6: Final answer
    x = 63,328.77

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1.5x scale

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.