Home / 235,547.24-325,061.87-128,124.14

Finding the Fourth Proportional to 235,547.24, 325,061.87 and 128,124.14

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Solution

The fourth proportional to 235,547.24, 325,061.87 and 128,124.14 is: 176,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,547.24 : 325,061.87 = 128,124.14 : x
  2. Step 2: Convert to fraction form
    235,547.24/325,061.87 = 128,124.14/x
  3. Step 3: Cross multiply
    235,547.24x = 325,061.87 × 128,124.14
  4. Step 4: Simplify right side
    235,547.24x = 41,648,270,274.61
  5. Step 5: Solve for x
    x = 41,648,270,274.61/235,547.24
  6. Step 6: Final answer
    x = 176,814.94

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1.5x scale

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.