Home / 215,567.51-297,492.35-120,074.25

Finding the Fourth Proportional to 215,567.51, 297,492.35 and 120,074.25

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Solution

The fourth proportional to 215,567.51, 297,492.35 and 120,074.25 is: 165,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,567.51 : 297,492.35 = 120,074.25 : x
  2. Step 2: Convert to fraction form
    215,567.51/297,492.35 = 120,074.25/x
  3. Step 3: Cross multiply
    215,567.51x = 297,492.35 × 120,074.25
  4. Step 4: Simplify right side
    215,567.51x = 35,721,170,206.62
  5. Step 5: Solve for x
    x = 35,721,170,206.62/215,567.51
  6. Step 6: Final answer
    x = 165,707.58

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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.