Home / 191,117.64-286,720.74-64,751.16

Finding the Fourth Proportional to 191,117.64, 286,720.74 and 64,751.16

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Solution

The fourth proportional to 191,117.64, 286,720.74 and 64,751.16 is: 97,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,117.64 : 286,720.74 = 64,751.16 : x
  2. Step 2: Convert to fraction form
    191,117.64/286,720.74 = 64,751.16/x
  3. Step 3: Cross multiply
    191,117.64x = 286,720.74 × 64,751.16
  4. Step 4: Simplify right side
    191,117.64x = 18,565,500,511.06
  5. Step 5: Solve for x
    x = 18,565,500,511.06/191,117.64
  6. Step 6: Final answer
    x = 97,141.74

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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.