Home / 156,973.15-235,459.73-93,987.55

Finding the Fourth Proportional to 156,973.15, 235,459.73 and 93,987.55

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Solution

The fourth proportional to 156,973.15, 235,459.73 and 93,987.55 is: 140,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,973.15 : 235,459.73 = 93,987.55 : x
  2. Step 2: Convert to fraction form
    156,973.15/235,459.73 = 93,987.55/x
  3. Step 3: Cross multiply
    156,973.15x = 235,459.73 × 93,987.55
  4. Step 4: Simplify right side
    156,973.15x = 22,130,283,146.36
  5. Step 5: Solve for x
    x = 22,130,283,146.36/156,973.15
  6. Step 6: Final answer
    x = 140,981.33

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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.