Home / 191,534.07-287,555.05-163,633.42

Finding the Fourth Proportional to 191,534.07, 287,555.05 and 163,633.42

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Solution

The fourth proportional to 191,534.07, 287,555.05 and 163,633.42 is: 245,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,534.07 : 287,555.05 = 163,633.42 : x
  2. Step 2: Convert to fraction form
    191,534.07/287,555.05 = 163,633.42/x
  3. Step 3: Cross multiply
    191,534.07x = 287,555.05 × 163,633.42
  4. Step 4: Simplify right side
    191,534.07x = 47,053,616,269.77
  5. Step 5: Solve for x
    x = 47,053,616,269.77/191,534.07
  6. Step 6: Final answer
    x = 245,667.08

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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.