Home / 191,675.19-264,513.58-105,637.28

Finding the Fourth Proportional to 191,675.19, 264,513.58 and 105,637.28

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Solution

The fourth proportional to 191,675.19, 264,513.58 and 105,637.28 is: 145,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,675.19 : 264,513.58 = 105,637.28 : x
  2. Step 2: Convert to fraction form
    191,675.19/264,513.58 = 105,637.28/x
  3. Step 3: Cross multiply
    191,675.19x = 264,513.58 × 105,637.28
  4. Step 4: Simplify right side
    191,675.19x = 27,942,495,114.26
  5. Step 5: Solve for x
    x = 27,942,495,114.26/191,675.19
  6. Step 6: Final answer
    x = 145,780.45

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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.