Home / 369,133.77-553,746.86-144,465.20

Finding the Fourth Proportional to 369,133.77, 553,746.86 and 144,465.20

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Solution

The fourth proportional to 369,133.77, 553,746.86 and 144,465.20 is: 216,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,133.77 : 553,746.86 = 144,465.20 : x
  2. Step 2: Convert to fraction form
    369,133.77/553,746.86 = 144,465.20/x
  3. Step 3: Cross multiply
    369,133.77x = 553,746.86 × 144,465.20
  4. Step 4: Simplify right side
    369,133.77x = 79,997,147,388.21
  5. Step 5: Solve for x
    x = 79,997,147,388.21/369,133.77
  6. Step 6: Final answer
    x = 216,715.87

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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.