Home / 235,541.79-325,038.33-128,111.67

Finding the Fourth Proportional to 235,541.79, 325,038.33 and 128,111.67

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Solution

The fourth proportional to 235,541.79, 325,038.33 and 128,111.67 is: 176,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,541.79 : 325,038.33 = 128,111.67 : x
  2. Step 2: Convert to fraction form
    235,541.79/325,038.33 = 128,111.67/x
  3. Step 3: Cross multiply
    235,541.79x = 325,038.33 × 128,111.67
  4. Step 4: Simplify right side
    235,541.79x = 41,641,203,270.31
  5. Step 5: Solve for x
    x = 41,641,203,270.31/235,541.79
  6. Step 6: Final answer
    x = 176,789.02

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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.