Home / 382,931.40-574,457.88-116,630.16

Finding the Fourth Proportional to 382,931.40, 574,457.88 and 116,630.16

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Solution

The fourth proportional to 382,931.40, 574,457.88 and 116,630.16 is: 174,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,931.40 : 574,457.88 = 116,630.16 : x
  2. Step 2: Convert to fraction form
    382,931.40/574,457.88 = 116,630.16/x
  3. Step 3: Cross multiply
    382,931.40x = 574,457.88 × 116,630.16
  4. Step 4: Simplify right side
    382,931.40x = 66,999,114,457.66
  5. Step 5: Solve for x
    x = 66,999,114,457.66/382,931.40
  6. Step 6: Final answer
    x = 174,963.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.