Home / 219,432.02-302,814.43-118,830.02

Finding the Fourth Proportional to 219,432.02, 302,814.43 and 118,830.02

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Solution

The fourth proportional to 219,432.02, 302,814.43 and 118,830.02 is: 163,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,432.02 : 302,814.43 = 118,830.02 : x
  2. Step 2: Convert to fraction form
    219,432.02/302,814.43 = 118,830.02/x
  3. Step 3: Cross multiply
    219,432.02x = 302,814.43 × 118,830.02
  4. Step 4: Simplify right side
    219,432.02x = 35,983,444,773.19
  5. Step 5: Solve for x
    x = 35,983,444,773.19/219,432.02
  6. Step 6: Final answer
    x = 163,984.48

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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.