Home / 147,038.77-202,751.42-101,637.93

Finding the Fourth Proportional to 147,038.77, 202,751.42 and 101,637.93

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Solution

The fourth proportional to 147,038.77, 202,751.42 and 101,637.93 is: 140,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038.77 : 202,751.42 = 101,637.93 : x
  2. Step 2: Convert to fraction form
    147,038.77/202,751.42 = 101,637.93/x
  3. Step 3: Cross multiply
    147,038.77x = 202,751.42 × 101,637.93
  4. Step 4: Simplify right side
    147,038.77x = 20,607,234,886.96
  5. Step 5: Solve for x
    x = 20,607,234,886.96/147,038.77
  6. Step 6: Final answer
    x = 140,148.31

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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.