Home / 153,341.57-211,617.58-85,354.23

Finding the Fourth Proportional to 153,341.57, 211,617.58 and 85,354.23

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Solution

The fourth proportional to 153,341.57, 211,617.58 and 85,354.23 is: 117,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.57 : 211,617.58 = 85,354.23 : x
  2. Step 2: Convert to fraction form
    153,341.57/211,617.58 = 85,354.23/x
  3. Step 3: Cross multiply
    153,341.57x = 211,617.58 × 85,354.23
  4. Step 4: Simplify right side
    153,341.57x = 18,062,455,595.36
  5. Step 5: Solve for x
    x = 18,062,455,595.36/153,341.57
  6. Step 6: Final answer
    x = 117,792.30

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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.