Home / 147,460.68-203,510.34-87,051.24

Finding the Fourth Proportional to 147,460.68, 203,510.34 and 87,051.24

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Solution

The fourth proportional to 147,460.68, 203,510.34 and 87,051.24 is: 120,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,460.68 : 203,510.34 = 87,051.24 : x
  2. Step 2: Convert to fraction form
    147,460.68/203,510.34 = 87,051.24/x
  3. Step 3: Cross multiply
    147,460.68x = 203,510.34 × 87,051.24
  4. Step 4: Simplify right side
    147,460.68x = 17,715,827,449.82
  5. Step 5: Solve for x
    x = 17,715,827,449.82/147,460.68
  6. Step 6: Final answer
    x = 120,139.33

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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.