Home / 134,211.10-201,316.65-72,003.10

Finding the Fourth Proportional to 134,211.10, 201,316.65 and 72,003.10

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Solution

The fourth proportional to 134,211.10, 201,316.65 and 72,003.10 is: 108,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.10 : 201,316.65 = 72,003.10 : x
  2. Step 2: Convert to fraction form
    134,211.10/201,316.65 = 72,003.10/x
  3. Step 3: Cross multiply
    134,211.10x = 201,316.65 × 72,003.10
  4. Step 4: Simplify right side
    134,211.10x = 14,495,422,881.62
  5. Step 5: Solve for x
    x = 14,495,422,881.62/134,211.10
  6. Step 6: Final answer
    x = 108,004.65

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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.