Home / 121,017.02-181,542.81-37,917.50

Finding the Fourth Proportional to 121,017.02, 181,542.81 and 37,917.50

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Solution

The fourth proportional to 121,017.02, 181,542.81 and 37,917.50 is: 56,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.02 : 181,542.81 = 37,917.50 : x
  2. Step 2: Convert to fraction form
    121,017.02/181,542.81 = 37,917.50/x
  3. Step 3: Cross multiply
    121,017.02x = 181,542.81 × 37,917.50
  4. Step 4: Simplify right side
    121,017.02x = 6,883,649,498.18
  5. Step 5: Solve for x
    x = 6,883,649,498.18/121,017.02
  6. Step 6: Final answer
    x = 56,881.66

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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.