Home / 152,557.08-210,530.51-84,575.60

Finding the Fourth Proportional to 152,557.08, 210,530.51 and 84,575.60

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Solution

The fourth proportional to 152,557.08, 210,530.51 and 84,575.60 is: 116,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,557.08 : 210,530.51 = 84,575.60 : x
  2. Step 2: Convert to fraction form
    152,557.08/210,530.51 = 84,575.60/x
  3. Step 3: Cross multiply
    152,557.08x = 210,530.51 × 84,575.60
  4. Step 4: Simplify right side
    152,557.08x = 17,805,744,201.56
  5. Step 5: Solve for x
    x = 17,805,744,201.56/152,557.08
  6. Step 6: Final answer
    x = 116,715.29

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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.