Home / 355,038.48-489,957-193,898.27

Finding the Fourth Proportional to 355,038.48, 489,957 and 193,898.27

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Solution

The fourth proportional to 355,038.48, 489,957 and 193,898.27 is: 267,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,038.48 : 489,957 = 193,898.27 : x
  2. Step 2: Convert to fraction form
    355,038.48/489,957 = 193,898.27/x
  3. Step 3: Cross multiply
    355,038.48x = 489,957 × 193,898.27
  4. Step 4: Simplify right side
    355,038.48x = 95,001,814,674.39
  5. Step 5: Solve for x
    x = 95,001,814,674.39/355,038.48
  6. Step 6: Final answer
    x = 267,581.74

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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.