Home / 191,867.16-286,379.74-180,047.64

Finding the Fourth Proportional to 191,867.16, 286,379.74 and 180,047.64

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Solution

The fourth proportional to 191,867.16, 286,379.74 and 180,047.64 is: 268,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,867.16 : 286,379.74 = 180,047.64 : x
  2. Step 2: Convert to fraction form
    191,867.16/286,379.74 = 180,047.64/x
  3. Step 3: Cross multiply
    191,867.16x = 286,379.74 × 180,047.64
  4. Step 4: Simplify right side
    191,867.16x = 51,561,996,330.81
  5. Step 5: Solve for x
    x = 51,561,996,330.81/191,867.16
  6. Step 6: Final answer
    x = 268,738.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.