Home / 369,434.48-553,953-191,500.40

Finding the Fourth Proportional to 369,434.48, 553,953 and 191,500.40

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Solution

The fourth proportional to 369,434.48, 553,953 and 191,500.40 is: 287,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,434.48 : 553,953 = 191,500.40 : x
  2. Step 2: Convert to fraction form
    369,434.48/553,953 = 191,500.40/x
  3. Step 3: Cross multiply
    369,434.48x = 553,953 × 191,500.40
  4. Step 4: Simplify right side
    369,434.48x = 106,082,221,081.20
  5. Step 5: Solve for x
    x = 106,082,221,081.20/369,434.48
  6. Step 6: Final answer
    x = 287,147.59

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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.