Home / 162,038.76-223,653.50-98,429.86

Finding the Fourth Proportional to 162,038.76, 223,653.50 and 98,429.86

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Solution

The fourth proportional to 162,038.76, 223,653.50 and 98,429.86 is: 135,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,038.76 : 223,653.50 = 98,429.86 : x
  2. Step 2: Convert to fraction form
    162,038.76/223,653.50 = 98,429.86/x
  3. Step 3: Cross multiply
    162,038.76x = 223,653.50 × 98,429.86
  4. Step 4: Simplify right side
    162,038.76x = 22,014,182,693.51
  5. Step 5: Solve for x
    x = 22,014,182,693.51/162,038.76
  6. Step 6: Final answer
    x = 135,857.51

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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.