Home / 152,916.72-211,023.36-84,934.32

Finding the Fourth Proportional to 152,916.72, 211,023.36 and 84,934.32

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Solution

The fourth proportional to 152,916.72, 211,023.36 and 84,934.32 is: 117,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,916.72 : 211,023.36 = 84,934.32 : x
  2. Step 2: Convert to fraction form
    152,916.72/211,023.36 = 84,934.32/x
  3. Step 3: Cross multiply
    152,916.72x = 211,023.36 × 84,934.32
  4. Step 4: Simplify right side
    152,916.72x = 17,923,125,585.72
  5. Step 5: Solve for x
    x = 17,923,125,585.72/152,916.72
  6. Step 6: Final answer
    x = 117,208.41

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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.