Home / 137,095.63-205,567.03-42,298.90

Finding the Fourth Proportional to 137,095.63, 205,567.03 and 42,298.90

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Solution

The fourth proportional to 137,095.63, 205,567.03 and 42,298.90 is: 63,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,095.63 : 205,567.03 = 42,298.90 : x
  2. Step 2: Convert to fraction form
    137,095.63/205,567.03 = 42,298.90/x
  3. Step 3: Cross multiply
    137,095.63x = 205,567.03 × 42,298.90
  4. Step 4: Simplify right side
    137,095.63x = 8,695,258,784.22
  5. Step 5: Solve for x
    x = 8,695,258,784.22/137,095.63
  6. Step 6: Final answer
    x = 63,424.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.