Home / 289,746.60-434,619.90-183,458.40

Finding the Fourth Proportional to 289,746.60, 434,619.90 and 183,458.40

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Solution

The fourth proportional to 289,746.60, 434,619.90 and 183,458.40 is: 275,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,746.60 : 434,619.90 = 183,458.40 : x
  2. Step 2: Convert to fraction form
    289,746.60/434,619.90 = 183,458.40/x
  3. Step 3: Cross multiply
    289,746.60x = 434,619.90 × 183,458.40
  4. Step 4: Simplify right side
    289,746.60x = 79,734,671,462.16
  5. Step 5: Solve for x
    x = 79,734,671,462.16/289,746.60
  6. Step 6: Final answer
    x = 275,187.60

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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.