Home / 191,547.61-264,312.54-109,871.64

Finding the Fourth Proportional to 191,547.61, 264,312.54 and 109,871.64

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Solution

The fourth proportional to 191,547.61, 264,312.54 and 109,871.64 is: 151,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,547.61 : 264,312.54 = 109,871.64 : x
  2. Step 2: Convert to fraction form
    191,547.61/264,312.54 = 109,871.64/x
  3. Step 3: Cross multiply
    191,547.61x = 264,312.54 × 109,871.64
  4. Step 4: Simplify right side
    191,547.61x = 29,040,452,242.37
  5. Step 5: Solve for x
    x = 29,040,452,242.37/191,547.61
  6. Step 6: Final answer
    x = 151,609.58

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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.