Home / 210,225.18-290,117.10-119,594.14

Finding the Fourth Proportional to 210,225.18, 290,117.10 and 119,594.14

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Solution

The fourth proportional to 210,225.18, 290,117.10 and 119,594.14 is: 165,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,225.18 : 290,117.10 = 119,594.14 : x
  2. Step 2: Convert to fraction form
    210,225.18/290,117.10 = 119,594.14/x
  3. Step 3: Cross multiply
    210,225.18x = 290,117.10 × 119,594.14
  4. Step 4: Simplify right side
    210,225.18x = 34,696,305,073.79
  5. Step 5: Solve for x
    x = 34,696,305,073.79/210,225.18
  6. Step 6: Final answer
    x = 165,043.53

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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.