Home / 121,018.02-181,544.31-37,918.50

Finding the Fourth Proportional to 121,018.02, 181,544.31 and 37,918.50

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Solution

The fourth proportional to 121,018.02, 181,544.31 and 37,918.50 is: 56,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,018.02 : 181,544.31 = 37,918.50 : x
  2. Step 2: Convert to fraction form
    121,018.02/181,544.31 = 37,918.50/x
  3. Step 3: Cross multiply
    121,018.02x = 181,544.31 × 37,918.50
  4. Step 4: Simplify right side
    121,018.02x = 6,883,887,918.74
  5. Step 5: Solve for x
    x = 6,883,887,918.74/121,018.02
  6. Step 6: Final answer
    x = 56,883.16

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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.