Home / 191,557.36-264,338.80-105,513.49

Finding the Fourth Proportional to 191,557.36, 264,338.80 and 105,513.49

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Solution

The fourth proportional to 191,557.36, 264,338.80 and 105,513.49 is: 145,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,557.36 : 264,338.80 = 105,513.49 : x
  2. Step 2: Convert to fraction form
    191,557.36/264,338.80 = 105,513.49/x
  3. Step 3: Cross multiply
    191,557.36x = 264,338.80 × 105,513.49
  4. Step 4: Simplify right side
    191,557.36x = 27,891,309,330.41
  5. Step 5: Solve for x
    x = 27,891,309,330.41/191,557.36
  6. Step 6: Final answer
    x = 145,602.91

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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.