Home / 157,171.51-235,615.11-57,308.35

Finding the Fourth Proportional to 157,171.51, 235,615.11 and 57,308.35

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Solution

The fourth proportional to 157,171.51, 235,615.11 and 57,308.35 is: 85,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,171.51 : 235,615.11 = 57,308.35 : x
  2. Step 2: Convert to fraction form
    157,171.51/235,615.11 = 57,308.35/x
  3. Step 3: Cross multiply
    157,171.51x = 235,615.11 × 57,308.35
  4. Step 4: Simplify right side
    157,171.51x = 13,502,712,011.09
  5. Step 5: Solve for x
    x = 13,502,712,011.09/157,171.51
  6. Step 6: Final answer
    x = 85,910.68

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1.5x scale

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.