Home / 176,256.48-243,208.29-100,790.40

Finding the Fourth Proportional to 176,256.48, 243,208.29 and 100,790.40

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Solution

The fourth proportional to 176,256.48, 243,208.29 and 100,790.40 is: 139,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,256.48 : 243,208.29 = 100,790.40 : x
  2. Step 2: Convert to fraction form
    176,256.48/243,208.29 = 100,790.40/x
  3. Step 3: Cross multiply
    176,256.48x = 243,208.29 × 100,790.40
  4. Step 4: Simplify right side
    176,256.48x = 24,513,060,832.42
  5. Step 5: Solve for x
    x = 24,513,060,832.42/176,256.48
  6. Step 6: Final answer
    x = 139,076.08

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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.