Home / 342,516.03-472,673.02-189,564.77

Finding the Fourth Proportional to 342,516.03, 472,673.02 and 189,564.77

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Solution

The fourth proportional to 342,516.03, 472,673.02 and 189,564.77 is: 261,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,516.03 : 472,673.02 = 189,564.77 : x
  2. Step 2: Convert to fraction form
    342,516.03/472,673.02 = 189,564.77/x
  3. Step 3: Cross multiply
    342,516.03x = 472,673.02 × 189,564.77
  4. Step 4: Simplify right side
    342,516.03x = 89,602,152,321.51
  5. Step 5: Solve for x
    x = 89,602,152,321.51/342,516.03
  6. Step 6: Final answer
    x = 261,599.88

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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.