Home / 229,038.02-343,654.95-118,307.78

Finding the Fourth Proportional to 229,038.02, 343,654.95 and 118,307.78

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Solution

The fourth proportional to 229,038.02, 343,654.95 and 118,307.78 is: 177,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,038.02 : 343,654.95 = 118,307.78 : x
  2. Step 2: Convert to fraction form
    229,038.02/343,654.95 = 118,307.78/x
  3. Step 3: Cross multiply
    229,038.02x = 343,654.95 × 118,307.78
  4. Step 4: Simplify right side
    229,038.02x = 40,657,054,220.51
  5. Step 5: Solve for x
    x = 40,657,054,220.51/229,038.02
  6. Step 6: Final answer
    x = 177,512.25

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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.