Home / 319,303.02-440,637.72-176,063.40

Finding the Fourth Proportional to 319,303.02, 440,637.72 and 176,063.40

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Solution

The fourth proportional to 319,303.02, 440,637.72 and 176,063.40 is: 242,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,303.02 : 440,637.72 = 176,063.40 : x
  2. Step 2: Convert to fraction form
    319,303.02/440,637.72 = 176,063.40/x
  3. Step 3: Cross multiply
    319,303.02x = 440,637.72 × 176,063.40
  4. Step 4: Simplify right side
    319,303.02x = 77,580,175,151.45
  5. Step 5: Solve for x
    x = 77,580,175,151.45/319,303.02
  6. Step 6: Final answer
    x = 242,967.25

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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.