Home / 160,929.79-222,075.61-89,309.18

Finding the Fourth Proportional to 160,929.79, 222,075.61 and 89,309.18

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Solution

The fourth proportional to 160,929.79, 222,075.61 and 89,309.18 is: 123,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,929.79 : 222,075.61 = 89,309.18 : x
  2. Step 2: Convert to fraction form
    160,929.79/222,075.61 = 89,309.18/x
  3. Step 3: Cross multiply
    160,929.79x = 222,075.61 × 89,309.18
  4. Step 4: Simplify right side
    160,929.79x = 19,833,390,959.02
  5. Step 5: Solve for x
    x = 19,833,390,959.02/160,929.79
  6. Step 6: Final answer
    x = 123,242.51

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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.