Home / 219,038.01-328,507.47-100,595.49

Finding the Fourth Proportional to 219,038.01, 328,507.47 and 100,595.49

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Solution

The fourth proportional to 219,038.01, 328,507.47 and 100,595.49 is: 150,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,038.01 : 328,507.47 = 100,595.49 : x
  2. Step 2: Convert to fraction form
    219,038.01/328,507.47 = 100,595.49/x
  3. Step 3: Cross multiply
    219,038.01x = 328,507.47 × 100,595.49
  4. Step 4: Simplify right side
    219,038.01x = 33,046,369,913.31
  5. Step 5: Solve for x
    x = 33,046,369,913.31/219,038.01
  6. Step 6: Final answer
    x = 150,870.48

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1.5x scale

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.