Home / 237,547.10-355,824.86-142,475.78

Finding the Fourth Proportional to 237,547.10, 355,824.86 and 142,475.78

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Solution

The fourth proportional to 237,547.10, 355,824.86 and 142,475.78 is: 213,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,547.10 : 355,824.86 = 142,475.78 : x
  2. Step 2: Convert to fraction form
    237,547.10/355,824.86 = 142,475.78/x
  3. Step 3: Cross multiply
    237,547.10x = 355,824.86 × 142,475.78
  4. Step 4: Simplify right side
    237,547.10x = 50,696,421,980.39
  5. Step 5: Solve for x
    x = 50,696,421,980.39/237,547.10
  6. Step 6: Final answer
    x = 213,416.30

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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.