Home / 160,763.03-221,852.09-89,153.63

Finding the Fourth Proportional to 160,763.03, 221,852.09 and 89,153.63

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Solution

The fourth proportional to 160,763.03, 221,852.09 and 89,153.63 is: 123,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,763.03 : 221,852.09 = 89,153.63 : x
  2. Step 2: Convert to fraction form
    160,763.03/221,852.09 = 89,153.63/x
  3. Step 3: Cross multiply
    160,763.03x = 221,852.09 × 89,153.63
  4. Step 4: Simplify right side
    160,763.03x = 19,778,918,700.82
  5. Step 5: Solve for x
    x = 19,778,918,700.82/160,763.03
  6. Step 6: Final answer
    x = 123,031.51

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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.