Home / 150,189.06-207,307.02-86,569.20

Finding the Fourth Proportional to 150,189.06, 207,307.02 and 86,569.20

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Solution

The fourth proportional to 150,189.06, 207,307.02 and 86,569.20 is: 119,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,189.06 : 207,307.02 = 86,569.20 : x
  2. Step 2: Convert to fraction form
    150,189.06/207,307.02 = 86,569.20/x
  3. Step 3: Cross multiply
    150,189.06x = 207,307.02 × 86,569.20
  4. Step 4: Simplify right side
    150,189.06x = 17,946,402,875.78
  5. Step 5: Solve for x
    x = 17,946,402,875.78/150,189.06
  6. Step 6: Final answer
    x = 119,492.08

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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.