Home / 316,501.20-436,771.98-178,681.32

Finding the Fourth Proportional to 316,501.20, 436,771.98 and 178,681.32

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Solution

The fourth proportional to 316,501.20, 436,771.98 and 178,681.32 is: 246,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,501.20 : 436,771.98 = 178,681.32 : x
  2. Step 2: Convert to fraction form
    316,501.20/436,771.98 = 178,681.32/x
  3. Step 3: Cross multiply
    316,501.20x = 436,771.98 × 178,681.32
  4. Step 4: Simplify right side
    316,501.20x = 78,042,993,925.41
  5. Step 5: Solve for x
    x = 78,042,993,925.41/316,501.20
  6. Step 6: Final answer
    x = 246,580.40

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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.