Home / 191,238.20-286,274.10-112,117.40

Finding the Fourth Proportional to 191,238.20, 286,274.10 and 112,117.40

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Solution

The fourth proportional to 191,238.20, 286,274.10 and 112,117.40 is: 167,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238.20 : 286,274.10 = 112,117.40 : x
  2. Step 2: Convert to fraction form
    191,238.20/286,274.10 = 112,117.40/x
  3. Step 3: Cross multiply
    191,238.20x = 286,274.10 × 112,117.40
  4. Step 4: Simplify right side
    191,238.20x = 32,096,307,779.34
  5. Step 5: Solve for x
    x = 32,096,307,779.34/191,238.20
  6. Step 6: Final answer
    x = 167,834.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.