Home / 455,417.16-683,206.02-155,827.32

Finding the Fourth Proportional to 455,417.16, 683,206.02 and 155,827.32

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Solution

The fourth proportional to 455,417.16, 683,206.02 and 155,827.32 is: 233,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,417.16 : 683,206.02 = 155,827.32 : x
  2. Step 2: Convert to fraction form
    455,417.16/683,206.02 = 155,827.32/x
  3. Step 3: Cross multiply
    455,417.16x = 683,206.02 × 155,827.32
  4. Step 4: Simplify right side
    455,417.16x = 106,462,163,104.47
  5. Step 5: Solve for x
    x = 106,462,163,104.47/455,417.16
  6. Step 6: Final answer
    x = 233,768.45

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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.