Home / 147,510.10-203,511.44-87,050.50

Finding the Fourth Proportional to 147,510.10, 203,511.44 and 87,050.50

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Solution

The fourth proportional to 147,510.10, 203,511.44 and 87,050.50 is: 120,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510.10 : 203,511.44 = 87,050.50 : x
  2. Step 2: Convert to fraction form
    147,510.10/203,511.44 = 87,050.50/x
  3. Step 3: Cross multiply
    147,510.10x = 203,511.44 × 87,050.50
  4. Step 4: Simplify right side
    147,510.10x = 17,715,772,607.72
  5. Step 5: Solve for x
    x = 17,715,772,607.72/147,510.10
  6. Step 6: Final answer
    x = 120,098.71

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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.