Home / 121,210.16-181,567.37-98,800.70

Finding the Fourth Proportional to 121,210.16, 181,567.37 and 98,800.70

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Solution

The fourth proportional to 121,210.16, 181,567.37 and 98,800.70 is: 147,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210.16 : 181,567.37 = 98,800.70 : x
  2. Step 2: Convert to fraction form
    121,210.16/181,567.37 = 98,800.70/x
  3. Step 3: Cross multiply
    121,210.16x = 181,567.37 × 98,800.70
  4. Step 4: Simplify right side
    121,210.16x = 17,938,981,851.32
  5. Step 5: Solve for x
    x = 17,938,981,851.32/121,210.16
  6. Step 6: Final answer
    x = 147,999.00

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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.