Home / 191,898.31-287,848.95-73,541.38

Finding the Fourth Proportional to 191,898.31, 287,848.95 and 73,541.38

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Solution

The fourth proportional to 191,898.31, 287,848.95 and 73,541.38 is: 110,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,898.31 : 287,848.95 = 73,541.38 : x
  2. Step 2: Convert to fraction form
    191,898.31/287,848.95 = 73,541.38/x
  3. Step 3: Cross multiply
    191,898.31x = 287,848.95 × 73,541.38
  4. Step 4: Simplify right side
    191,898.31x = 21,168,809,014.55
  5. Step 5: Solve for x
    x = 21,168,809,014.55/191,898.31
  6. Step 6: Final answer
    x = 110,312.64

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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.