Home / 358,783.02-495,121.14-197,638.74

Finding the Fourth Proportional to 358,783.02, 495,121.14 and 197,638.74

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Solution

The fourth proportional to 358,783.02, 495,121.14 and 197,638.74 is: 272,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,783.02 : 495,121.14 = 197,638.74 : x
  2. Step 2: Convert to fraction form
    358,783.02/495,121.14 = 197,638.74/x
  3. Step 3: Cross multiply
    358,783.02x = 495,121.14 × 197,638.74
  4. Step 4: Simplify right side
    358,783.02x = 97,855,118,256.96
  5. Step 5: Solve for x
    x = 97,855,118,256.96/358,783.02
  6. Step 6: Final answer
    x = 272,741.78

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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.