Home / 316,771.98-437,036.04-180,707.76

Finding the Fourth Proportional to 316,771.98, 437,036.04 and 180,707.76

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Solution

The fourth proportional to 316,771.98, 437,036.04 and 180,707.76 is: 249,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,771.98 : 437,036.04 = 180,707.76 : x
  2. Step 2: Convert to fraction form
    316,771.98/437,036.04 = 180,707.76/x
  3. Step 3: Cross multiply
    316,771.98x = 437,036.04 × 180,707.76
  4. Step 4: Simplify right side
    316,771.98x = 78,975,803,827.67
  5. Step 5: Solve for x
    x = 78,975,803,827.67/316,771.98
  6. Step 6: Final answer
    x = 249,314.36

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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.