Home / 125,293.42-172,914.90-70,857.06

Finding the Fourth Proportional to 125,293.42, 172,914.90 and 70,857.06

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Solution

The fourth proportional to 125,293.42, 172,914.90 and 70,857.06 is: 97,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.42 : 172,914.90 = 70,857.06 : x
  2. Step 2: Convert to fraction form
    125,293.42/172,914.90 = 70,857.06/x
  3. Step 3: Cross multiply
    125,293.42x = 172,914.90 × 70,857.06
  4. Step 4: Simplify right side
    125,293.42x = 12,252,241,901.27
  5. Step 5: Solve for x
    x = 12,252,241,901.27/125,293.42
  6. Step 6: Final answer
    x = 97,788.39

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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.