Home / 208,547.43-312,073.80-180,564.15

Finding the Fourth Proportional to 208,547.43, 312,073.80 and 180,564.15

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Solution

The fourth proportional to 208,547.43, 312,073.80 and 180,564.15 is: 270,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,547.43 : 312,073.80 = 180,564.15 : x
  2. Step 2: Convert to fraction form
    208,547.43/312,073.80 = 180,564.15/x
  3. Step 3: Cross multiply
    208,547.43x = 312,073.80 × 180,564.15
  4. Step 4: Simplify right side
    208,547.43x = 56,349,340,434.27
  5. Step 5: Solve for x
    x = 56,349,340,434.27/208,547.43
  6. Step 6: Final answer
    x = 270,199.16

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1.5x scale

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.