Home / 156,595.20-216,100.28-84,973.38

Finding the Fourth Proportional to 156,595.20, 216,100.28 and 84,973.38

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Solution

The fourth proportional to 156,595.20, 216,100.28 and 84,973.38 is: 117,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,595.20 : 216,100.28 = 84,973.38 : x
  2. Step 2: Convert to fraction form
    156,595.20/216,100.28 = 84,973.38/x
  3. Step 3: Cross multiply
    156,595.20x = 216,100.28 × 84,973.38
  4. Step 4: Simplify right side
    156,595.20x = 18,362,771,210.55
  5. Step 5: Solve for x
    x = 18,362,771,210.55/156,595.20
  6. Step 6: Final answer
    x = 117,262.67

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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.