Home / 156,885.29-235,303.16-130,401.39

Finding the Fourth Proportional to 156,885.29, 235,303.16 and 130,401.39

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Solution

The fourth proportional to 156,885.29, 235,303.16 and 130,401.39 is: 195,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,885.29 : 235,303.16 = 130,401.39 : x
  2. Step 2: Convert to fraction form
    156,885.29/235,303.16 = 130,401.39/x
  3. Step 3: Cross multiply
    156,885.29x = 235,303.16 × 130,401.39
  4. Step 4: Simplify right side
    156,885.29x = 30,683,858,483.39
  5. Step 5: Solve for x
    x = 30,683,858,483.39/156,885.29
  6. Step 6: Final answer
    x = 195,581.49

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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.