Home / 159,501.34-220,106.53-87,882.56

Finding the Fourth Proportional to 159,501.34, 220,106.53 and 87,882.56

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Solution

The fourth proportional to 159,501.34, 220,106.53 and 87,882.56 is: 121,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,501.34 : 220,106.53 = 87,882.56 : x
  2. Step 2: Convert to fraction form
    159,501.34/220,106.53 = 87,882.56/x
  3. Step 3: Cross multiply
    159,501.34x = 220,106.53 × 87,882.56
  4. Step 4: Simplify right side
    159,501.34x = 19,343,525,329.12
  5. Step 5: Solve for x
    x = 19,343,525,329.12/159,501.34
  6. Step 6: Final answer
    x = 121,275.00

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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.