Home / 148,547.24-205,021.38-88,151.18

Finding the Fourth Proportional to 148,547.24, 205,021.38 and 88,151.18

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Solution

The fourth proportional to 148,547.24, 205,021.38 and 88,151.18 is: 121,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,547.24 : 205,021.38 = 88,151.18 : x
  2. Step 2: Convert to fraction form
    148,547.24/205,021.38 = 88,151.18/x
  3. Step 3: Cross multiply
    148,547.24x = 205,021.38 × 88,151.18
  4. Step 4: Simplify right side
    148,547.24x = 18,072,875,547.12
  5. Step 5: Solve for x
    x = 18,072,875,547.12/148,547.24
  6. Step 6: Final answer
    x = 121,664.17

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1.5x scale

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.