Home / 148,547.12-205,021.22-88,151.06

Finding the Fourth Proportional to 148,547.12, 205,021.22 and 88,151.06

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Solution

The fourth proportional to 148,547.12, 205,021.22 and 88,151.06 is: 121,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,547.12 : 205,021.22 = 88,151.06 : x
  2. Step 2: Convert to fraction form
    148,547.12/205,021.22 = 88,151.06/x
  3. Step 3: Cross multiply
    148,547.12x = 205,021.22 × 88,151.06
  4. Step 4: Simplify right side
    148,547.12x = 18,072,837,937.29
  5. Step 5: Solve for x
    x = 18,072,837,937.29/148,547.12
  6. Step 6: Final answer
    x = 121,664.01

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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.