Home / 191,613.51-264,429.18-106,730.55

Finding the Fourth Proportional to 191,613.51, 264,429.18 and 106,730.55

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Solution

The fourth proportional to 191,613.51, 264,429.18 and 106,730.55 is: 147,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,613.51 : 264,429.18 = 106,730.55 : x
  2. Step 2: Convert to fraction form
    191,613.51/264,429.18 = 106,730.55/x
  3. Step 3: Cross multiply
    191,613.51x = 264,429.18 × 106,730.55
  4. Step 4: Simplify right side
    191,613.51x = 28,222,671,817.45
  5. Step 5: Solve for x
    x = 28,222,671,817.45/191,613.51
  6. Step 6: Final answer
    x = 147,289.57

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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.